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13307066668 = 2272320663147
BaseRepresentation
bin11000110010010100…
…11011100100101100
31021100101121000202001
430121022123210230
5204223102113133
610040240342044
7650522125510
oct143112334454
937311530661
1013307066668
115709546165
1226b4614924
131340ba515c
1490345c140
1552d3a987d
hex31929b92c

13307066668 has 24 divisors (see below), whose sum is σ = 27771270912. Its totient is φ = 5455070544.

The previous prime is 13307066639. The next prime is 13307066683. The reversal of 13307066668 is 86666070331.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10330930 + ... + 10332217.

It is an arithmetic number, because the mean of its divisors is an integer number (1157136288).

Almost surely, 213307066668 is an apocalyptic number.

It is an amenable number.

13307066668 is an abundant number, since it is smaller than the sum of its proper divisors (14464204244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13307066668 is a wasteful number, since it uses less digits than its factorization.

13307066668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663181 (or 20663179 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 13307066668 in words is "thirteen billion, three hundred seven million, sixty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 644 20663147 41326294 82652588 144642029 289284058 475252381 578568116 950504762 1901009524 3326766667 6653533334 13307066668